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Implement gpu_raytrace_supported for vulkan

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luboslenco
2025-07-24 10:57:05 +02:00
parent 16adfb8dd2
commit 93aa89ebf5
1 changed files with 37 additions and 8 deletions
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base/sources/backends/vulkan_gpu.c
+37 -8
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@@ -795,10 +795,7 @@ void gpu_init_internal(int depth_buffer_bits, bool vsync) {
wanted_device_extensions[wanted_device_extension_count++] = VK_KHR_ACCELERATION_STRUCTURE_EXTENSION_NAME;
wanted_device_extensions[wanted_device_extension_count++] = VK_KHR_BUFFER_DEVICE_ADDRESS_EXTENSION_NAME;
wanted_device_extensions[wanted_device_extension_count++] = VK_KHR_DEFERRED_HOST_OPERATIONS_EXTENSION_NAME;
wanted_device_extensions[wanted_device_extension_count++] = VK_EXT_DESCRIPTOR_INDEXING_EXTENSION_NAME;
wanted_device_extensions[wanted_device_extension_count++] = VK_KHR_RAY_TRACING_PIPELINE_EXTENSION_NAME;
wanted_device_extensions[wanted_device_extension_count++] = VK_KHR_SPIRV_1_4_EXTENSION_NAME;
wanted_device_extensions[wanted_device_extension_count++] = VK_KHR_SHADER_FLOAT_CONTROLS_EXTENSION_NAME;
wanted_device_extensions[wanted_device_extension_count++] = VK_KHR_RAY_QUERY_EXTENSION_NAME;
}
@@ -1845,10 +1842,7 @@ void gpu_constant_buffer_init(gpu_buffer_t *buffer, int size) {
memset(&buf_info, 0, sizeof(buf_info));
buf_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
buf_info.usage = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
if (gpu_raytrace_supported()) {
buf_info.usage |= VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
}
buf_info.usage |= VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
buf_info.size = size;
vkCreateBuffer(device, &buf_info, NULL, &buffer->impl.buf);
@@ -1991,7 +1985,42 @@ bool gpu_raytrace_supported() {
#ifdef IRON_ANDROID
return false; // Use VK_KHR_ray_query
#else
return true;
static bool extensions_checked = false;
static bool raytrace_supported = true;
if (extensions_checked) {
return raytrace_supported;
}
const char *required_extensions[] = {
VK_KHR_ACCELERATION_STRUCTURE_EXTENSION_NAME,
VK_KHR_RAY_TRACING_PIPELINE_EXTENSION_NAME,
VK_KHR_BUFFER_DEVICE_ADDRESS_EXTENSION_NAME,
VK_KHR_DEFERRED_HOST_OPERATIONS_EXTENSION_NAME,
VK_KHR_RAY_QUERY_EXTENSION_NAME
};
uint32_t required_extensions_count = sizeof(required_extensions) / sizeof(required_extensions[0]);
uint32_t extensions_count = 0;
vkEnumerateDeviceExtensionProperties(gpu, NULL, &extensions_count, NULL);
VkExtensionProperties *extensions = (VkExtensionProperties *)malloc(sizeof(VkExtensionProperties) * extensions_count);
vkEnumerateDeviceExtensionProperties(gpu, NULL, &extensions_count, extensions);
for (uint32_t i = 0; i < required_extensions_count; i++) {
bool found = false;
for (uint32_t j = 0; j < extensions_count; j++) {
if (strcmp(required_extensions[i], extensions[j].extensionName) == 0) {
found = true;
break;
}
}
if (!found) {
raytrace_supported = false;
break;
}
}
free(extensions);
extensions_checked = true;
return raytrace_supported;
#endif
}